No upgrade needed chat room
An Auditorium is a type of chat room where only Presenters can post, but everyone can read.Who can access and manage chat rooms depends on user roles as follows: You use the New-Cs Persistent Chat Room cmdlet to create chat rooms and the Set-Cs Persistent Chat Room cmdlet to configure an existing chat room, including adding users to the chat room.You can configure the following parameters for chat rooms: You can create a new room by using the New-Cs Persistent Chat Room cmdlet.For example, the following command creates a new chat room named ITChat Room on the pool atl-cs-001.If you need to use Persistent chat, your choices are to either migrate users requiring this functionality to Teams, or to continue using Skype for Business Server 2015.You can configure and manage chat rooms by using the Windows Power Shell command-line interface, or by using the Skype for Business client if you are a member of the chat room.For example, if a user was a member of the room and is no longer an allowed member in the new category, the room membership will be modified and the user will be removed from the room.
Summary: Learn how to manage Persistent Chat Server chat rooms in Skype for Business Server 2015.
Before you attempt to manage chat rooms, be sure to read Persistent chat categories, chat rooms, and user roles in Skype for Business Server 2015 and Manage categories in Persistent Chat Server in Skype for Business Server 2015.
Note Persistent chat is available in Skype for Business Server 2015 but is no longer supported in Skype for Business Server 2019. For more information, see Getting started with your Microsoft Teams upgrade.
If the chat room's history persists, the content is preserved when the chat room is disabled.
However, that content will not appear in searches during the time that the chat room remains in a disabled state.